ES RDE 119 - Fishery independent monitoring for salmon stock assessment

Environment Agency Self-Service Direct Award. Ministerial Direction instructs the Environment Agency to assess the status of salmon stocks in English rivers annually. This is currently assessed by comparing estimates of annual egg deposition to conservation targets, based on the number of eggs that need to be deposited over time to support sustainable populations. Annual egg deposition is primarily estimated using angler catch data, informed by some fishery independent data collected to parameterise the model. Howe...